/**
 * @license
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import '../../../scripts/bundled-polymer.js';

import '../gr-autocomplete/gr-autocomplete.js';
import '../../../styles/shared-styles.js';
import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners.js';
import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin.js';
import {PolymerElement} from '@polymer/polymer/polymer-element.js';
import {htmlTemplate} from './gr-labeled-autocomplete_html.js';

/** @extends Polymer.Element */
class GrLabeledAutocomplete extends GestureEventListeners(
    LegacyElementMixin(
        PolymerElement)) {
  static get template() { return htmlTemplate; }

  static get is() { return 'gr-labeled-autocomplete'; }
  /**
   * Fired when a value is chosen.
   *
   * @event commit
   */

  static get properties() {
    return {

      /**
       * Used just like the query property of gr-autocomplete.
       *
       * @type {function(string): Promise<?>}
       */
      query: {
        type: Function,
        value() {
          return function() {
            return Promise.resolve([]);
          };
        },
      },

      text: {
        type: String,
        value: '',
        notify: true,
      },
      label: String,
      placeholder: String,
      disabled: Boolean,

      _autocompleteThreshold: {
        type: Number,
        value: 0,
        readOnly: true,
      },
    };
  }

  _handleTriggerClick(e) {
    // Stop propagation here so we don't confuse gr-autocomplete, which
    // listens for taps on body to try to determine when it's blurred.
    e.stopPropagation();
    this.$.autocomplete.focus();
  }

  setText(text) {
    this.$.autocomplete.setText(text);
  }

  clear() {
    this.setText('');
  }
}

customElements.define(GrLabeledAutocomplete.is, GrLabeledAutocomplete);
